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LTC3621EDCB-2
Product Overview
Category
The LTC3621EDCB-2 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This product is primarily used for voltage regulation and power conversion in various electronic devices and systems.
Characteristics
- High efficiency: The LTC3621EDCB-2 offers high efficiency power conversion, minimizing energy loss during voltage regulation.
- Wide input voltage range: It can accept a wide range of input voltages, making it suitable for diverse applications.
- Low quiescent current: The device has a low quiescent current, reducing power consumption when in standby mode.
- Small form factor: The LTC3621EDCB-2 comes in a compact package, allowing for space-efficient integration into electronic designs.
Package
The LTC3621EDCB-2 is available in a DFN (Dual Flat No-Lead) package, which provides excellent thermal performance and ease of soldering.
Essence
The essence of the LTC3621EDCB-2 lies in its ability to efficiently regulate voltage and convert power, enabling reliable operation of electronic devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 2A
- Switching Frequency: Up to 3MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3621EDCB-2 features the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node pin
- FB: Feedback pin for output voltage regulation
- EN: Enable pin for device operation
Functional Features
- High efficiency synchronous buck regulator
- Adjustable output voltage through external resistors
- Soft-start and current limit protection
- Overtemperature shutdown
- Low dropout operation
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Wide input voltage range
- Compact form factor
- Low quiescent current
- Excellent thermal performance
Disadvantages
- Limited maximum output current (2A)
- Requires external resistors for output voltage adjustment
Working Principles
The LTC3621EDCB-2 operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage with high efficiency. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The device incorporates various protection features such as soft-start, current limit, and overtemperature shutdown to ensure safe and reliable operation.
Detailed Application Field Plans
The LTC3621EDCB-2 finds applications in a wide range of electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - IoT (Internet of Things) devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC3621EDCB-2 include: - LT8610ABEMSE-2#PBF - TPS54332DDAR - MAX17503GTL+
These alternatives can be considered based on specific design requirements and preferences.
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技術ソリューションにおける LTC3621EDCB-2 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of LTC3621EDCB-2 in technical solutions:
Q1: What is LTC3621EDCB-2? A1: LTC3621EDCB-2 is a specific model of a high-efficiency, synchronous buck regulator IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is commonly used for power management applications.
Q2: What is the input voltage range of LTC3621EDCB-2? A2: The input voltage range of LTC3621EDCB-2 is typically between 2.7V and 5.5V.
Q3: What is the output voltage range of LTC3621EDCB-2? A3: The output voltage range of LTC3621EDCB-2 can be adjusted from 0.6V to VIN (input voltage).
Q4: What is the maximum output current of LTC3621EDCB-2? A4: The maximum output current of LTC3621EDCB-2 is typically around 2A.
Q5: What is the efficiency of LTC3621EDCB-2? A5: The efficiency of LTC3621EDCB-2 can reach up to 95% under certain operating conditions.
Q6: Does LTC3621EDCB-2 have built-in protection features? A6: Yes, LTC3621EDCB-2 includes various built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q7: Can LTC3621EDCB-2 operate in a wide temperature range? A7: Yes, LTC3621EDCB-2 is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q8: What are the typical applications of LTC3621EDCB-2? A8: LTC3621EDCB-2 is commonly used in battery-powered devices, portable electronics, IoT (Internet of Things) devices, and other low-power applications.
Q9: Does LTC3621EDCB-2 require external components for operation? A9: Yes, LTC3621EDCB-2 requires a few external components such as input/output capacitors and an inductor to function properly.
Q10: Is LTC3621EDCB-2 available in different package options? A10: Yes, LTC3621EDCB-2 is available in a 6-pin DFN (Dual Flat No-Lead) package, which is compact and suitable for space-constrained designs.
Please note that the answers provided here are general and may vary depending on specific design considerations and application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information and guidance.